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Tufted Evening Primrose
Common Name(s):Tufted Evening-primrose Scientific Name(s):Oenothera caespitosa Nutt. Scientific Name Synonyms:None Known Symbol:OECA10 Description:Life Span: Perennial
Origin: Native Growth Characteristics: The flowers of tufted evening-primrose open late in the day and turn pink and wilt the following morning. It can grow up to 1 foot tall, is nearly stemless, and grows from a thick taproot. It blooms April-September. Flowers: Large white flower with four heart-shaped petals and eight yellow stamens. Flowers can measure up to 3 inches across and have a wonderful fragrance. Fruits/Seeds: Rough seedpods, about 1 inch long, form soon after flowering. Leaves: A basal rosette of lance-shaped and toothed leaves, growing up to 12 inches long. The leaves are crinkly, gray-green, and fuzzy. Stems: Very short Ecological Adaptations:Found in pinyon-juniper woodlands and shadscale scrub communities. Common on roadsides, and is often abundant on steep dry slopes and sandy soils. Found at elevations of 2980-9500 feet. Soils: Well-drained, rocky, sandy soils. Associated Species: Pinyon pine, Utah juniper, shadscale. Uses and Management:Cattle seem to avoid evening-primrose. Young shoots and roots of some evening-primroses are eaten by humans.
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